28075140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{51991}}^1$

素因数の和:52009

約数の個数: 48

約数和(自身を含む): 87346560

約数和(自身を除く): 59271420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 51991, 103982, 155973, 207964, 259955, 311946, 467919, 519910, 623892, 779865, 935838, 1039820, 1403757, 1559730, 1871676, 2339595, 2807514, 3119460, 4679190, 5615028, 7018785, 9358380, 14037570, 28075140]

約数ペア:

[(1, 28075140), (2, 14037570), (3, 9358380), (4, 7018785), (5, 5615028), (6, 4679190), (9, 3119460), (10, 2807514), (12, 2339595), (15, 1871676), (18, 1559730), (20, 1403757), (27, 1039820), (30, 935838), (36, 779865), (45, 623892), (54, 519910), (60, 467919), (90, 311946), (108, 259955), (135, 207964), (180, 155973), (270, 103982), (540, 51991)]